向系统里安装软件

Debian GNU/Linux provides more than a pure OS: it comes with over 15490 packages -- precompiled, ready-to-run software bundled up in a nice format for easy installation on your machine. The packages are stored in the Debian Archive.

Packages contain all the files neccessary to install and run the software on your computer. The system that Debian uses to organize and manage the packages is called Apt (Advanced Package Tool). This is a set of tools used to download, install, track, configure, update, and build packages. The programs in most packages depend on other software to be on your system in order to run properly. One of the great features of APT is the ability to handle these dependencies.

Because the package management tools were developed over time, the earlier tools are lower-level command-line tools and are more suitable for experienced users; the more recent tools are higher-level interactive tools and more suitable for new users. Here are the tools, in hierarchical order: